diff --git a/pkgs/servers/sql/postgresql/ext/repmgr.nix b/pkgs/servers/sql/postgresql/ext/repmgr.nix
index c4203b42f362..5cdeaaebc2d2 100644
--- a/pkgs/servers/sql/postgresql/ext/repmgr.nix
+++ b/pkgs/servers/sql/postgresql/ext/repmgr.nix
@@ -10,13 +10,13 @@
 
 buildPostgresqlExtension rec {
   pname = "repmgr";
-  version = "5.4.1";
+  version = "5.5.0";
 
   src = fetchFromGitHub {
     owner = "EnterpriseDB";
     repo = "repmgr";
     rev = "v${version}";
-    sha256 = "sha256-OaEoP1BajVW9dt8On9Ppf8IXmAk47HHv8zKw3WlsLHw=";
+    sha256 = "sha256-8G2CzzkWTKEglpUt1Gr7d/DuHJvCIEjsbYDMl3Zt3cs=";
   };
 
   nativeBuildInputs = [ flex ];
@@ -29,9 +29,6 @@ buildPostgresqlExtension rec {
     license = licenses.postgresql;
     platforms = postgresql.meta.platforms;
     maintainers = with maintainers; [ zimbatm ];
-    # PostgreSQL 17 support issue upstream: https://github.com/EnterpriseDB/repmgr/issues/856
-    # Check after next package update.
-    broken = versionAtLeast postgresql.version "17" && version == "5.4.1";
   };
 }